Posted by Peter on 18th February 2013

A Maths Challenge: 12 to 15

I have not put up many challenges and investigations recently so I thought I would redress this over the coming weeks with some fun and challenging tasks. Using and Applying Maths has been a cornerstone of the Primary Framework for Mathematics and these kinds of activities are important in making children think through a problem and work in a logical, well organised way.

This challenge is actually in four parts, but one the first has been cracked the same method can be applied to the others.  A 3 by 3 square grid has the number 12 in the middle. The challenge is to place each of the digits from 1 to 8 around the grid so that each side across and down adds up to the middle number (12).

A really good way to approach this task is to cut out the numbers from 1 to 8 so that they can easily be moved around the grid. There are several different solutions to the task, but they all have a similar pattern.

Challenge 12 to 15

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